Granted Patent
Utility
US 4,301,337 · App. 06/135,386
Dual lateral switch device
Inventor:
Franklin N. Eventoff
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Mar 31, 1980
Inventor
Franklin N. Eventoff
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.